Home / 142,478,800,150.61-213,754,375,008.77-65,956,413,189.33

Finding the Fourth Proportional to 142,478,800,150.61, 213,754,375,008.77 and 65,956,413,189.33

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Solution

The fourth proportional to 142,478,800,150.61, 213,754,375,008.77 and 65,956,413,189.33 is: 98,951,365,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,800,150.61 : 213,754,375,008.77 = 65,956,413,189.33 : x
  2. Step 2: Convert to fraction form
    142,478,800,150.61/213,754,375,008.77 = 65,956,413,189.33/x
  3. Step 3: Cross multiply
    142,478,800,150.61x = 213,754,375,008.77 × 65,956,413,189.33
  4. Step 4: Simplify right side
    142,478,800,150.61x = 14,098,471,879,105,428,062,208
  5. Step 5: Solve for x
    x = 14,098,471,879,105,428,062,208/142,478,800,150.61
  6. Step 6: Final answer
    x = 98,951,365,846.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.